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151/300 Wafer Ball Valves
151/300 Wafer Ball Valves
151/300 Wafer Ball ValvesFlowserve Worcester Controls 151/301 wafer ball valves are designed for process systems where lightweight, compact envelope size and ease of installation and repair are important considerations. Available in sizes 3", 4" and 6", 151/301 wafer valves are rated at 720 cwp and mount between ANSI Class 150-pound and 300-pound flanges. Studs, suitable for the flange rating, are furnished with the valve.
Original and maintenance costs are low with 151/301 wafer valves, yet the valves offer all the advantages of the Series 51/52 flanged valves; downstream seat sealing, low operational torque, bottom-entry, blowout-proof stem and easily removable end plug. Properly sized stem seal rings in a deep stuffing box assure zero leakage, and the Worcester Controls patented seat design assures positive shutoff.
The weight of Worcester wafer valves is 40 percent to 60 percent less than conventional flanged ball valves and substantially less than comparable gate valves. Their configuration is very compact. The center to top dimension of a 4" 151 wafer ball valve, for example, is only 7.84" as opposed to over 27" for a standard gate valve. This is a valuable space savings for OEM installations, skid-mounted systems and piping systems in confined areas.
Worcester Controls 151/301 wafer valves are available in bronze, ductile iron, carbon steel and 316 stainless steel. A wide number of seat and body seal materials enable these valves to handle a variety of process applications with pressures to 720 psig and temperatures to 500oF.
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